Robert Hector MacQuarrie (January 10, 1935 – October 20, 2021) was a politician and teacher from Northwest Territories, Canada.
He served as Speaker of the Legislative Assembly for one year.
He resigned from his post as speaker because he wanted to participate in debates in the Legislature.
MacQuarrie was re-elected in Yellowknife Centre in the 1983 Northwest Territories general election.
As chairman of the Special Committee on Unity, and later as vice-chairman of the Western Constitutional Forum, he played a significant role in the division of the Northwest Territories.